Marquise|Lab Grown|IGI

3.34ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG846663118

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846663118

Diamond specifications and retailer prices

From $3,990 USD
As of October 30, 2026
Save $15,370 USD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $19,360 USD at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.34ct lab-grown marquise diamond

This 3.34ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663118 or 846663118. Listed at 15 retailers as of October 30, 2026, with prices from $3,990 to $19,360, a $15,370 spread on the same certified stone. With Clarity lists it at $19,360. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.34
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663118
Dimensions14.81 × 7.83 × 4.97 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
14.81 mm7.83 mm3.34 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663118
Side View
Table 62.0%Crown 34.8°Girdle: Slightly ThickPavilion 40.7°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $9,914 USD|Low: $3,990 USD|High: $21,682 USD|Avg: $8,246 USD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
With Clarity
November 1, 2026
Retailer 3$3,990 USD
Retailer 13$4,279 USD
Retailer 4$4,375 USD
Retailer 12$4,929 USD
Retailer 10$5,240 USD
Retailer 8$5,507 USD
Retailer 9$5,783 USD
Retailer 11$6,138 USD
Retailer 7$7,168 USD
Retailer 5$7,860 USD
Retailer 14$9,120 USD
Retailer 6$9,365 USD
Retailer 1$9,914 USD
Retailer 2$12,170 USD
With Clarity$19,360 USD

11 data points across 15 retailers

15 retailers$3,990 USD to $19,360 USD

A
Cheapest Retailer
-
$3,990 USD
A
Retailer 2
-
$4,279 USD
View
A
Retailer 3
-
$4,375 USD
View
A
Retailer 4
-
$4,929 USD
View
A
Retailer 5
-
$5,240 USD
View
A
Retailer 6
-
$5,507 USD
£4,336 GBP
View
A
Retailer 7
-
$5,783 USD
View
A
Retailer 8
-
$6,138 USD
View
B+
Retailer 9
-
$7,168 USD
View
B+
Retailer 10
-
$7,860 USD
View
B+
Retailer 11
-
$9,120 USD
View
Retailer 12
-
$9,365 USD
€8,919 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$9,914 USD
£7,806 GBP
View
B+
Retailer 14
-
$12,170 USD
View
Most Expensive
B
With Clarity
846663118 · Oct 31
$19,360 USD
View
14 more retailers have this diamond
Prices start from $3,990 USDSave up to $15,370 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.34ct Marquise
$3,990 USD